Channel lock fastener



FIG. 1 is perspective view of a channel lock fastener embodying our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being a mirror image thereof;

FIG. 3 is a top plan view thereof, the bottom plan view being a mirror image thereof; and,

FIG. 4 is a right side elevational view thereof, the left side elevational view being a mirror image thereof. 

CLAIM The ornamental design for a channel lock fastener, as shown and described. 